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LG Countertop Microwave, 20 inch Exterior Width, 0.9 cu. ft. Capacity, 1,000 W Watts, Black colour
LG Cooking 2026 LG Cooking 2026
AGMCXU
Bundle & Save - Additional In Store Discounts - UP TO 35% OFF
Bundle & Save - Additional In Store Discounts - UP TO 35% OFF
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AGMCXU
Region Availability:
In Stock: June 10, 2026
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  • Vaughan
Out-of-box units available only at:
from $123.69
Vaughan Showroom $123.69
27 Director Crt. Unit 1, Vaughan ON
Condition: Scratch & Dent Click to See More
Slight Damage
Left Cosmetic Damage
Dent on LH side
Purchase: In store or over the phone
Delivers: Anywhere in our ON (except Ottawa) delivery zones
Description & Features
The LG MSER0990S countertop microwave brings powerful performance and premium design to smaller kitchens, dorms, offices, and apartments, all in a compact 18"‑wide footprint with a versatile 0.9 cu. ft. capacity that’s ideal for everyday meals, snacks, and reheating. At the heart of this model is Smart Inverter technology, which delivers precise, variable power instead of the typical full‑blast on/off cycles found in many standard microwaves. That means more even cooking, better defrosting, and fewer cold spots or overcooked edges whether you’re gently melting chocolate, reheating leftovers, or thawing meat for dinner. The interior features EasyClean® technology, a special coating that helps resist stains and buildup so splatters wipe away with minimal scrubbing, making it a practical choice for busy households that want a microwave that looks new longer. On the outside, sleek SmoothTouch® glass controls give the LG MSER0990S a modern, minimalist look while also making it simple to operate with just a light touch, and the flat glass surface is easy to wipe clean compared to raised buttons. For added convenience, built‑in sensor cooking automatically adjusts time and power based on the steam released from your food, helping to take the guesswork out of heating popular items like beverages, pizza, casseroles, and dinner plates. A bright LED interior light and clear display keep everything easy to see, while the 12" turntable and hexagonal stabilizer ring help support a variety of dish sizes more securely than traditional three‑roller designs. Safety is also thoughtfully addressed with a child‑resistant door lock and optional 2‑step opening function that help prevent unintended use in homes with young children. With 1000 watts of cooking power, 10 power levels, handy one‑touch options like Add 30 Seconds, popcorn and auto‑defrost modes, plus a durable magnetron backed by a long warranty, the LG MSER0990S offers a compelling blend of advanced heating performance, easy maintenance, and space‑saving design that stands out from many basic compact microwaves in its class.

NeoChef™ design – compact 0.9 cu. ft. countertop microwave engineered for even cooking performance in a space‑saving footprint.

Smart Inverter technology – delivers precise, variable power for more even heating, better defrosting and reduced overcooking of foods.

EasyClean® interior – special interior coating resists stains and buildup so most spills wipe away easily with a damp cloth, with no harsh scrubbing.

SmoothTouch® glass controls – flat, touch‑sensitive control panel offers a modern look and allows quick, effortless selection and easy cleaning.

SmartDiagnosis™ support – allows the microwave to communicate with LG customer service via a compatible phone for faster troubleshooting.

Child‑resistant door lock – built‑in safety lock with optional 2‑step opening function helps prevent children from opening the door or operating the unit.

Child Lock function – disables the control panel during operation to prevent accidental changes or use by children.

0.9 cu. ft. capacity – accommodates everyday dishes, bowls and microwave‑safe plates while keeping the overall footprint compact for small kitchens, dorms or offices.

1000W cooking power – high microwave output for fast reheating, cooking and defrosting of a wide variety of foods.

10 power levels – lets you fine‑tune the cooking intensity for delicate items like chocolate or powerful heating for leftovers and frozen meals.

Sensor Cook programs – built‑in humidity‑sensing options automatically adjust time and power to help cook foods more evenly without guesswork.

Sensor Reheat options – dedicated sensor settings for beverages, casseroles, dinner plates, pie and pizza to reheat common foods to appetizing temperatures.

Automatic defrost settings – Auto Defrost and Rapid Defrost programs calculate ideal time and power to thaw meats and other frozen foods more evenly.

Popcorn one‑touch key – pre‑programmed popcorn button optimizes time and power for popular bag sizes for quick snacks.

Add 30 Seconds button – instantly adds extra cooking time at the current power level without stopping or reprogramming the cycle.

12" glass turntable – large rotating turntable helps ensure even heating and accommodates standard dinner plates and bowls.

Bright LED interior lighting – energy‑efficient interior light makes it easy to monitor food progress without opening the door.

LED display – clear digital readout shows cook time, power level, clock and function indicators for at‑a‑glance monitoring.

Kitchen timer function – built‑in timer can be used independently of cooking to time other kitchen tasks.

Cooking complete reminder – audible signal alerts you when the cooking cycle is finished so food doesn’t sit too long in the oven.

Countertop installation – simple plug‑in design sits on any stable counter surface with no built‑in kit required.

Right‑side control layout – controls and display positioned on the right for intuitive access and easy viewing.

Push‑button door release – one‑touch button opens the door smoothly for quick access to dishes.

Stainless steel exterior – modern stainless finish coordinates with a wide range of kitchen appliance styles.

2‑step open door design – exterior design with defined handle area and push‑button release for secure closure and easy opening.

Compact exterior dimensions – approximately 18" W x 11" H x 14.5" D sized to fit on narrow counters, in small apartments or office break rooms.

Standard 120V operation – plugs into a typical household 120 VAC outlet with 8.7A / 1040W rating for easy setup.

Turntable on/off setting – allows you to disable turntable rotation when using larger or non‑standard dishes that need to remain stationary.

One‑touch convenience keys – quick‑start options simplify common tasks like reheating, defrosting and cooking without manual time entry.

Warm/reheat capability – ideal for gently reheating leftovers or keeping dishes warm without overcooking.

Interior EasyClean® surface color – light interior finish improves visibility of food and makes it easier to spot and wipe away spills.

Proposition 65 compliant – includes appropriate safety labeling for California residents.

Magnetron 10‑year warranty – extended coverage on the magnetron component provides added peace of mind on long‑term performance.

1‑year parts and labor warranty – standard manufacturer warranty coverage for repair or replacement of defective parts and labor.

Manufacturer's Warranty: 1 year


More Even Cooking & Better Defrosting
MSER0990S - More Even Cooking & Better Defrosting
Try defrosting in an ordinary microwave and you'll get alternating blasts of full power followed by periods of no power until the timer goes off. LG Smart Inverter replaces this all-or-nothing approach with precise, variable power that provides more even cooking and better defrosting. Whether you're thawing a pound of meat or reheating last night's dinner, your food is heated more evenly, avoiding cold centers and overcooked edges.
Sensor Cook Helps Heat Meals to Perfection - MSER0990S
Sensor Cook Helps Heat Meals to Perfection
MSER0990S - Sensor Cook Helps Heat Meals to Perfection
Select from a menu of sensor cook options and let the microwave determine when your food is ready using pre-programmed settings and humidity-sensing technology. Get perfectly cooked meals, without the need to worry about cook times or power levels.
Convenient Automatic Cooking Modes - MSER0990S
Convenient Automatic Cooking Modes
MSER0990S - Convenient Automatic Cooking Modes
Make cooking easier and decisions faster by selecting from a menu of pre-programmed, automatic cooking settings for tasty meals.
Sleek SmoothTouch® Glass Controls - MSER0990S
Sleek SmoothTouch® Glass Controls
MSER0990S - Sleek SmoothTouch® Glass Controls
The intuitive SmoothTouch® glass controls deliver sleek style and easy operation, with just a touch of your finger. Plus, the smooth surface easily wipes clean for a design that is as practical as it is stylish.
Plenty of Space for Your Meals
MSER0990S - Plenty of Space for Your Meals
With the spacious 2.0 cu. ft. capacity, there's plenty of room to heat up larger dishes.
Bright LED Interior Lighting
MSER0990S - Bright LED Interior Lighting
Bright LED lighting makes it easy to check on the progress of your food while offering greater energy efficiency than traditional lighting.
Cleaning Made Simple with the EasyClean® Interior - MSER0990S
Cleaning Made Simple with the EasyClean® Interior
MSER0990S - Cleaning Made Simple with the EasyClean® Interior
Spills? Splatters? Don't sweat it. LG's EasyClean® interior resists stains and buildup, so cleaning your microwave doesn't have to be a chore. Simply wipe with a damp cloth-no chemicals, no scrubbing, no problem. 1
Child-Resistant Door Lock - MSER0990S
Child-Resistant Door Lock
MSER0990S - Child-Resistant Door Lock
The child-resistant door lock with an optional 2-step opening function helps prevent unwanted access and enhance safety. See owner's manual on how to enable and disable.

Specs
SpecificationValue
Capacity 0.9 Cu Ft
Width 18 inches
Height 11 inches
Depth 14.5 inches
Interior Width 12.6 inches
Interior Height 8.97 inches
Interior Depth 13.19 inches
Shipping Width 21.25 inches
Shipping Height 11.5 inches
Shipping Depth 16 inches
Product Weight 20 lbs
Shipping Weight 25 lbs
Microwave Output Power 1000 W
Power Levels 10
Amps / Watts (Input) 8.7A / 1040W
Voltage / Frequency 120 VAC
Series LG NeoChef
Type Countertop Microwave
Style Countertop
Color Stainless Steel
Exterior Design 2-Step Open Door
Door Hinge Left
PrintProof Finish No
Control Type SmoothTouch Glass Controls
Control Location Right Side
Display Type LED
Clock Yes
Kitchen Timer Yes
Cooking Complete Reminder Yes
Smart Inverter Yes
NeoChef Technology Yes
Microwave Power Levels 10
Sensor Cook Yes
Sensor Cook Options 7
Sensor Reheat Options Beverage, Casserole, Dinner Plate, Pie, Pizza
Defrost Functions Auto Defrost and Rapid Defrost
Auto Reheat Yes
Turntable Yes
Turntable Diameter 12 inches
Turntable On/Off No
Interior Lighting LED
Interior Light Yes
Interior Finish / Feature EasyClean Interior
EasyClean Interior Yes
Child Lock / Child-Resistant Door Lock Yes, with optional 2-step opening function
Control Lock Yes
Add 30 Seconds Yes
Popcorn Key Yes
SmartDiagnosis Yes
ThinQ Smart Technology No
Wi-Fi Connected No
Convection Microwave No
Recessed Turntable No
Energy Star Certified No
Ventilation No (Countertop unit, no CFM rating)
Filters N/A
Exhaust Fan Speeds N/A
Magnetron Warranty 10 Years
Parts & Labor Warranty 1 Year
UPC 048231347280
Manuals
LG Cooking 2026 LG Cooking 2026
Video
MSER0990S
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Install
Delivery and installation services are available from CAS
(Includes washers, dryers, and more.)
Click here for more details.

Custom advanced installation services (after delivery)
(Gas connections, ventilation, dishwashers, etc.)
Offered by Quick Contractors®
 1-877-694-3909
To book service online, please visit quicktask.com/cas
Delivery